package day04;
import java.util.Scanner;

public class Day04Exercise {
    public static void main(String[] args) {
        //1. 接收用户输入的一个整数num，判断它的正负零值，正数则输出"+"，负数则输出"-"，0则输出"0"
        Scanner scanner=new Scanner(System.in);
        int num=scanner.nextInt();
        if (num>0){
            System.out.println("+");
        }else if (num==0){
            System.out.println("0");
        }else {
            System.out.println("-");
        }


    }
}
